change from one religion, political belief, viewpoint, etc., to another.

5.

a change of attitude, emotion, or viewpoint from one of indifference, disbelief, or antagonism to one of acceptance, faith, or enthusiastic support, especially such a change in a person's religion.

6.

a physical transformation from one material or state to another:

conversion of coal, water, and air into nylon.

7.

the act of obtaining equivalent value, as of money or units of measurement, in an exchange or calculation:

conversion of francs into dollars.

8.

a physical, structural, or design change or transformation from one state or condition to another, especially to effect a change in function:

conversion of a freighter into a passenger liner.

9.

a substitution of one component for another so as to effect a change:

conversion from oil heat to gas heat.

10.

Mathematics. a change in the form or units of an expression.

11.

Logic. the transposition of the subject and predicate of a proposition, as “No good man is unhappy” becomes by conversion “No unhappy man is good.”.

12.

Law.

unauthorized assumption and exercise of rights of ownership over personal property belonging to another.

change from realty into personalty, or vice versa, as in the sale or purchase of land or mining coal.

13.

Football. a score made on a try for a point after touchdown by place-kicking or drop-kicking the ball over the bar between the goalposts or by completing a pass in or running the ball into the end zone.

14.

Psychoanalysis. the process by which a repressed psychic event, idea, feeling, memory, or impulse is represented by a bodily change or symptom.

15.

Physics. the production of radioactive material in a process in which one nuclear fuel is converted into another by the capture of neutrons.

mid-14c., originally of religion, from French conversion, from Latin conversionem (nominative conversatio), noun of action from past participle stem of convertere (see convert (v.)). General sense of "transformation" is early 15c. Of buildings, from 1921. Conversion disorder "hysteria" (attested from 1946 but said to have been coined by Freud) was in DSM-IV (1994).

the turning of a sinner to God (Acts 15:3). In a general sense the heathen are said to be "converted" when they abandon heathenism and embrace the Christian faith; and in a more special sense men are converted when, by the influence of divine grace in their souls, their whole life is changed, old things pass away, and all things become new (Acts 26:18). Thus we speak of the conversion of the Philippian jailer (16:19-34), of Paul (9:1-22), of the Ethiopian treasurer (8:26-40), of Cornelius (10), of Lydia (16:13-15), and others. (See REGENERATION.)